55838750 has 80 divisors (see below), whose sum is σ = 118761984. Its totient is φ = 19500000.

The previous prime is 55838749. The next prime is 55838753. The reversal of 55838750 is 5783855.

It is a junction number, because it is equal to n+sod(n) for n = 55838698 and 55838707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55838753) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 426185 + ... + 426315.

Almost surely, 2^55838750 is an apocalyptic number.

55838750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55838750 is an abundant number, since it is smaller than the sum of its proper divisors (62923234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55838750 is a wasteful number, since it uses less digits than its factorization.

55838750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 55838750 is about 7472.5330377323. The cubic root of 55838750 is about 382.2186690611.

It can be divided in two parts, 558 and 38750, that multiplied together give a square (21622500 = 4650²).

The spelling of 55838750 in words is "fifty-five million, eight hundred thirty-eight thousand, seven hundred fifty".